199774201 has 8 divisors (see below), whose sum is σ = 218129184. Its totient is φ = 181451520.

The previous prime is 199774187. The next prime is 199774213. The reversal of 199774201 is 102477991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 199774201 - 2¹⁹ = 199249913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199774241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5926 + ... + 20848.

It is an arithmetic number, because the mean of its divisors is an integer number (27266148).

Almost surely, 2^199774201 is an apocalyptic number.

199774201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

199774201 is a deficient number, since it is larger than the sum of its proper divisors (18354983).

199774201 is a wasteful number, since it uses less digits than its factorization.

199774201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16151.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 199774201 is about 14134.1501690056. The cubic root of 199774201 is about 584.5833846737.

It can be divided in two parts, 199 and 774201, that added together give a square (774400 = 880²).

The spelling of 199774201 in words is "one hundred ninety-nine million, seven hundred seventy-four thousand, two hundred one".